Finding the Fourth Proportional to 2,154.59, 3,229.15 and 1,114.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.59 : 3,229.15 = 1,114.39 : x
2. Step 2: Convert to fraction form
   2,154.59/3,229.15 = 1,114.39/x
3. Step 3: Cross multiply
   2,154.59x = 3,229.15 × 1,114.39
4. Step 4: Simplify right side
   2,154.59x = 3,598,539.01
5. Step 5: Solve for x
   x = 3,598,539.01/2,154.59
6. Step 6: Final answer
   x = 1,670.18